8581768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 18849600

約数和(自身を除く): 10267832

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 43, 52, 76, 86, 101, 104, 152, 172, 202, 247, 344, 404, 494, 559, 808, 817, 988, 1118, 1313, 1634, 1919, 1976, 2236, 2626, 3268, 3838, 4343, 4472, 5252, 6536, 7676, 8686, 10504, 10621, 15352, 17372, 21242, 24947, 34744, 42484, 49894, 56459, 82517, 84968, 99788, 112918, 165034, 199576, 225836, 330068, 451672, 660136, 1072721, 2145442, 4290884, 8581768]

約数ペア:

[(1, 8581768), (2, 4290884), (4, 2145442), (8, 1072721), (13, 660136), (19, 451672), (26, 330068), (38, 225836), (43, 199576), (52, 165034), (76, 112918), (86, 99788), (101, 84968), (104, 82517), (152, 56459), (172, 49894), (202, 42484), (247, 34744), (344, 24947), (404, 21242), (494, 17372), (559, 15352), (808, 10621), (817, 10504), (988, 8686), (1118, 7676), (1313, 6536), (1634, 5252), (1919, 4472), (1976, 4343), (2236, 3838), (2626, 3268)]